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| '''''arduino code :''''' | | '''''arduino code :''''' |
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| int pump_in = | | int pump_in = 3; // connect pump through mosfet on arduino pin 3 == PWM (fake anolog pin) |
| 3; // connect pump through mosfet on arduino pin 3 == PWM (fake anolog pin) | |
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| int pump_out =
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| 5; // connect pump through mosfet on arduino pin 5 == PWM (fake anolog pin)
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| void
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| setup() {
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| // put your setup code here, to run once:
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| pinMode(pump_in, OUTPUT); // declare pin as output pin
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| pinMode(pump_out, OUTPUT); // declare pin as output pin
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| Serial.begin(9800);
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| }
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| void
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| loop() {
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| // put your main code here, to run repeatedly:
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| analogWrite(pump_out,
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| 0); // turn off the pump
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| // make a for loop in order top blow up the balloon while ramping the motor
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| for (int i =
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| 60; i <
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| 255; i++) {
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| analogWrite(pump_in, i); // turn on the pump_in pin with value "i"
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| delay(50); // wait for 50 milliseconds
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| //Serial.println(i); // print the value of i
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| }
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| analogWrite(pump_in,
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| 0); // turn off the pump
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| // delay: wait for some time
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| delay(1000); // wait for one second
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| // enter an eternal loop for prototyping
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| // here will be a for loop for sucking out the air again
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| // while (1) {}
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| analogWrite(pump_in,
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| 0); // turn off the pump
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| // make a for loop in order top blow up the balloon while ramping the motor
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| for (int i =
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| 255; i >
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| 60; i--) {
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| analogWrite(pump_out, i); // turn on the pump_in pin with value "i"
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| delay(50); // wait for 50 milliseconds
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| //Serial.println(i); // print the value of i
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| }
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| analogWrite(pump_out,
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| 0); // turn off the pump
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| // delay: wait for some time
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| delay(1000); // wait for one second
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| }
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| '''Materials''' | | '''Materials''' |
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